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Longview, WA - Station ID: 9440422

Established:Mar 23, 1985
Time Meridian:120° W
Present Installation:Mar 22, 2002
Date Removed:N/A
Water Level Max (ref MHHW):N/A
Water Level Min (ref MLLW):N/A
Mean Range:3.78 ft.
Diurnal Range:4.61 ft.
Latitude46° 6.4' N
Longitude122° 57.2' W
NOAA Chart#:18524
Met Site Elevation:25.8 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
3:44 PM
3:09 AMhigh 4.4 ft.
11:09 AMlow 0.2 ft.
3:44 PMhigh 3.8 ft.
11:00 PMlow 0.4 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Water TemperatureE117.9 ft. below MLLW Enabled
Barometric PressureF1129.8 ft. above MSL Enabled
Microwave WLY11N/A Enabled
For questions about disabled sensors, please contact CO-OPS User Services.


How to reach: To reach the tidal bench marks from the Lewis and Clark Bridge over the Columbia River (Highway 433) in Longview, turn west at the north bridge approach and follow sign to Port Docks. Drive straight toward the river along the east side of the bridge structure until you reach the Port of Longview office. Veer left and drive straight to the water front. Turn left on the wharf and drive about 300 m (1000 ft) up the river to a grain conveyor at Berth 4. The tidal bench mark are located located in the vicinity. The tide station is a 6 x 6 fiberglass house beside the Pilot's Office, directly beneath the conveyor. The staff is located on a piling just upstream of the tide house.

Products available at 9440422 Longview, WA

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services